Introduction to Statistics — Unit test Answers

A large city offers many venues for watching a concert. A listing of concert venues for the city includes the following information: the number of seats, the age of the venue, the number of nearby parking spaces, and the location of the venue (inside or outside). What are the individuals in the data set?

A visitor guide for a downtown area lists many restaurants. Which of the following is an example of a quantitative variable the guide could report for each restaurant?

A movie theater offers three types of tickets: child, student, and adult. Ticket sales for two movies are shown in the table. Ticket Type ChildStudentAdultTotalMovie TitleThe Ransom123870100Space Force344256132 Total4680126232If a ticket was sold for Space Force, what is the probability it was a student ticket?

An urban planner collects data on how park trails are used by residents. The planner looks at two trails: one that winds through an urban area and another in a suburban park. The table shows the number of users who walk, jog, or bike the trail. Activity WalkJogBikeTotalType of ParkUrban765823157Suburban1257642243 Total20113465400What proportion of park users jog on the park trails?

The relative frequency table below displays the proportion of colors of cars for sale at a dealership.What proportion of cars are yellow?